Saturday, April 28, 2007

Privilege Does Not Defeat Disclosure Rules, Says Texas Supreme Court

Texas has a "snap-back" rule permitting a party to recover privileged material it inadvertently produces in discovery. It also has a rule providing that all documents provided to a testifying expert are discoverable. What happens, then, when a party inadvertently provides privileged material to its expert? The "snap-back" rule may not be invoked in this situation, the Texas Supreme Court has ruled, unless the party also withdraws the expert. See In re Christus Spohn Hosp. Kleberg, No. 04-0914 (Tex. Apr. 27, 2007).

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Friday, April 20, 2007

Texas High Court Upholds Exclusion of Physician's Testimony that Cocaine and Alcohol Dependency Caused Defendants' Violent Conduct

A trial court did not abuse its discretion when it permitted a physician to testify that cocaine and alcohol dependency are associated with violent activity, but not that the defendant's dependency caused his particular violent conduct, the Texas Court of Criminal Appeals has ruled. From the opinion:
Dr. McQueen did have training as a researcher with regard to the treatment of addictions, and that training appears to have included knowledge of the interaction between cocaine and alcohol in the body and studies showing a correlation between cocaine and alcohol usage and violence. Under this record, however, the trial court could reasonably conclude that the pharmacological knowledge and studies were not a sufficient basis from which to draw a scientific conclusion about how any particular individual would behave. Of course, one might draw a layman's conclusion from evidence of a correlation between drug dependence and violence that a particular drug user's violence resulted from dependence, but that sort of conclusion is one that a jury is well-suited to make on its own, without the assistance of an expert.
See Roberts v. State, No. AP-75,051 (Tex. Crim. App. Apr. 18, 2007).

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Fed. R. Evid. 702: If scientific, technical, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training, or education, may testify thereto in the form of an opinion or otherwise, if (1) the testimony is based upon sufficient facts or data, (2) the testimony is the product of reliable principles and methods, and (3) the witness has applied the principles and methods reliably to the facts of the case.